Click to enlarge3.38" CF to 2.75" CF
Straight Reducing Nipple
A: 2.50"

338x275-RN-VE
3.38" Conflat to 2.75" Conflat Straight Reducer
Vacuum Essential

• 338x275 CFF (DN50CFxDN40CF)
• 1.50" Tube OD
• 304 Stainless
• OD Polish
• Flange to Flange UHV Vacuum Adapter
• CFxCF Straight Reducing Nipple

2-3/4" OD CF Conflat Flange (CF):
• Rotatable
• 6 Clearance (Thru) Holes
• 0.265" Bolt Hole Diameter

2.75" OD CF Conflat Flange (CFF) Equivalents
275CF, CF35, CF38, CF40, CF275
DN35CF, DN40CF, NW35CF


3.38" OD Conflat Flange (CF):
• Non-Rotatable
• 8 Clearance (Thru) Holes
• 0.332" Bolt Hole Diameter

3-3/8" OD Conflat Flange (CF) Equivalents:
• 338CF, CF338, DN50CF, NW50CF, 3.375" CFF
338x275-VE 275x338-VE


3.38" CF to 2.75" CF
Straight Reducing Nipple
338x275-RN-VE

338x275-RN-VE$207.00

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Click to enlarge
2.75" OD Conflat Series Hardware


3.38" OD Conflat Series Hardware


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Click to enlarge
CF to CF Straight Reducers


CF to CF Conical Reducers


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CF to CF Zero Length Reducers


Custom Adapters and Nipples



***This Vacuum Essential Includes***
• Flange to Flange Adapter
• 1-Bolt Kit (275-BK Series)
• 10-Copper Gaskets (275-CG Series)

• 1-Bolt Kit (338-BK Series)
• 10-Copper Gaskets (338-CG Series)

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or
info@ldsvacuum.com

LDS Vacuum Products is a 100% woman owned company and
certified Woman Owned Small Business (WOSB)
The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.
Images Shown May Be For Reference Only